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Moving Beyond just Projection

During my time as a student, there was barely a single projector seen in the classrooms. Back then each classroom would be equipped with only 1 blackboard. Teachers had to push around an OHP that was shared within the classes and put pain-staking hours in ‘drawing’ up the contents in the transparencies.

What we have in the classes now is a far cry from what we had. Classes are each equipped with an overhead projector, visualizer and sometimes an interactive white board. Projector is now in the pinnacle of teaching aid, something that all teachers cannot do without. The exciting is, it is still evolving… to be more versatile and multi-purpose.

Unlike its predecessor projection system, the Over-Head Projector, a projector managed to leverage on the advances of IT technology and exploit on the mass usage of computers, hence its widespread popularity.

Moving on from basic connection and projection functionality, a projector is now capable of connection via a simple USB or network and wirelessly; Wide throw distance range to minimize the constrains of smaller rooms; PC Free presentation with pre-prepared USB memory drives… basically anything you can think of.

Most projectors even come with internal speakers and in very compact design. Projectors are now basically a one-stop presentation tool without the hassle of connecting up tons of cables. It is fair to say that manufacturers have made this piece of equipment more complex in terms of functionality and yet ease of use when it comes to usability.

And now, we are even seeing a combination of projector and Interactivity features…